Agro-Ecological System (chap 3)

Agroecology is the research of ecological processes that run in agricultural production system.

CLIMATE

WATER

SOIL
(Soil = mineral particles + nutrient elements + water + organic matter + living organisms)

HUMAN RESOURCE
Agriculture can only function with the help of human workforce

• Teaching institutions of agriculture 
• Skilled operators
• Scientists
• Supporting specialists

IMPACT OF CLIMATE CHANGE

Climate change affects agriculture in numerous ways.

IMPACT OF POLLUTION

Byproducts are polluted from extensive commercial agricultural activities

• Acid rain (affects on forest, fresh water and soil)
• Heavy metals (affects the soil)
• Chemical pesticides (impact on consumer's heakth)
• Excessive chemical fertilizers (affects on water ecosystem)